CN102456845B - Organic light-emitting display device and include its electronic installation - Google Patents
Organic light-emitting display device and include its electronic installation Download PDFInfo
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- CN102456845B CN102456845B CN201110328764.XA CN201110328764A CN102456845B CN 102456845 B CN102456845 B CN 102456845B CN 201110328764 A CN201110328764 A CN 201110328764A CN 102456845 B CN102456845 B CN 102456845B
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- 238000009434 installation Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 80
- 239000000463 material Substances 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 230000010287 polarization Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/841—Self-supporting sealing arrangements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8722—Peripheral sealing arrangements, e.g. adhesives, sealants
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of organic light-emitting display device and include its electronic installation.This organic light-emitting display device has the function of absorbing external impact, thus improves the impact resistance of organic light-emitting display device.This organic light-emitting display device includes: framework；First substrate, is arranged on framework, and display unit is formed on the surface of first substrate；Second substrate, is set in the face of first substrate；Driver IC (IC), is arranged on first substrate or second substrate；Buffer component, is formed as covering driver IC.
Description
This application claims the 10-2010-0103670 early submitted in Korean Intellectual Property Office prior on October 22nd, 2010
Whole rights and interests of number application, and in this reference with comprise described application.
Technical field
The present invention relates to organic light-emitting display device and include its electronic installation, more particularly it relates to have
The function of absorbing external impact is to improve the organic light-emitting display device of impact resistance and to include this organic light-emitting display device
Electronic installation.
Background technology
Generally, panel display apparatus can be divided into emission type and not emission type.The example of emissive display device is flat the moon
Extreme ray pipe, plasma display (PDP), el light emitting device and light emitting diode.Showing of non-emissive display device
Example is liquid crystal display (LCD).In this case, el light emitting device has wide visual angle, excellent contrast and fast
Response speed, therefore, they receive much concern as display device of future generation recently.According to the material for forming emission layer,
Such el light emitting device can be inorganic electroluminescent device or Organnic electroluminescent device.
Organnic electroluminescent device is to be electrically excited fluorescence organic compound and launch the self-emitting display of light, organic electroluminescence
Light-emitting device as can with low voltage drive, easily be made to slim, there is wide visual angle and there is fast response speed
Display device of future generation and receive much concern.
Organnic electroluminescent device includes emission layer, emission layer formed by organic material and be arranged on anode and negative electrode it
Between.When anode voltage and cathode voltage are respectively applied to anode and negative electrode, pass through hole transport from anode injected holes
Layer moves to emission layer, and electronics moves to emission layer from negative electrode by electron transfer layer, thus hole and electronics are in emission layer
It is combined mutually and forms exciton.When exciton fades to ground state from excited state, the fluorescence molecule of emission layer is luminous, thus forms figure
Picture.In panchromatic mode Organnic electroluminescent device, include and launch the pixel of red R, green G and blue B light to realize full color spectrum.
Generally, organic light-emitting display device includes: panel assembly, including organic electroluminescent device；Housing, accommodates
Panel assembly；Printed circuit board (PCB), is electrically connected to panel assembly by flexible PCB.
Summary of the invention
One or more embodiment of the present invention provide have absorbing external impact function thus improve shock resistance
The organic light-emitting display device of property and include the electronic installation of described organic light-emitting display device.
According to an aspect of the present invention, it is provided that a kind of organic light-emitting display device, described organic light-emitting display device bag
Include: framework；First substrate, is arranged on framework, and display unit is formed on the surface of first substrate；Second substrate, is set to
In the face of first substrate；Driver IC (IC), is arranged on first substrate or second substrate；Buffer component, is formed as covering
Lid driver IC.
From first substrate and second substrate select the substrate being provided with driver IC than it on be not provided with
The substrate of driver IC is long, and driver IC may be provided on the extension of the substrate being provided with driver IC.
Framework and first substrate can tight adhesion each other.
According to a further aspect in the invention, it is provided that a kind of electronic installation, described electronic installation includes: described above have
Machine luminous display unit；Housing, is used for accommodating described organic light-emitting display device；Transparency protected window, before being arranged on housing.
Buffer component may be provided between first substrate and transparency protected window.
Buffer component can be set to contact first substrate and transparency protected window respectively.
Housing and framework can tight adhesion each other.
Described electronic installation may also include the compressed band buffer being arranged between housing and first substrate.
Housing and compressed band buffer can tight adhesion each other.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, the present invention is more completely understood by and the present invention
Many attendant advantages will be readily apparent, become better understood simultaneously, the most similar labelling represents same or analogous
Assembly, wherein:
Fig. 1 is the sectional view illustrating organic light-emitting display device；
Fig. 2 is the sectional view illustrating another organic light-emitting display device；
Fig. 3 is the sectional view illustrating organic light-emitting display device according to embodiments of the present invention；
Fig. 4 is the sectional view illustrating the organic light-emitting display device according to comparative examples.
Detailed description of the invention
Now, with reference to the accompanying drawings to be more fully described the present invention so that those of ordinary skill in the art can be easily real
Execute the present invention, shown in the drawings of the exemplary embodiment of the present invention.But, the present invention can come real in many different forms
Execute, however it is not limited to embodiments set forth here.
Fig. 1 is the sectional view illustrating organic light-emitting display device.
With reference to Fig. 1, organic light-emitting display device 100 includes housing 111, framework 113, compressed band buffer 115, first substrate
117, second substrate 119, polarization plates 123, transparency protected window 127 and adhesive member 129.
Due in the space of the sky being present between transparency protected window 127 and the polarization plates 123 investing second substrate 119
Air layer, so organic light-emitting display device 100 has the brightness of reduction, absorbance, reflectance and visuality.Ask for solving this
Topic, is filled into resin in the empty space of panel assembly.
Fig. 2 is the sectional view illustrating another organic light-emitting display device.
With reference to Fig. 2, organic light-emitting display device 200 includes housing 211, framework 213, compressed band buffer 215, first substrate
217, second substrate 219, polarization plates 223, resin 225, transparency protected window 227, adhesive member 229 and driver IC
(IC)231。
When formation resin 225 is with the space of the sky in filling panel assembly, organic light-emitting display device 200 can be improved
Characteristic, but the endurance to external impacts of organic light-emitting display device 200 may reduce.That is, the organic light emitting display that figure 1 illustrates
In device 100, when applying impact from outside, transparency protected window 127 bends, thus absorbs part impact, and remaining punching
Hit and be passed to display unit (not shown).But, in organic light-emitting display device 200 shown in figure 2, external impact quilt
Being fully transmitted to display unit (not shown) and be not buffered, therefore, the impact resistance of organic light-emitting display device 200 is low.
Additionally, as in figure 2 it is shown, for driving the driver IC 231 of display unit to be arranged on first substrate 217 or the second
On substrate 219, and in order to mounting driver IC 231, first substrate 217 and second substrate 219 need have different length.
As in figure 2 it is shown, driver IC 231 may be provided on the extension of first substrate 217.Due to the difference of length, so driving
The space of dynamic device IC 231 sky present above, and when applying impact from outside, due to the space of this sky, so organic light emission
Display device 200 is likely to be broken.
Fig. 3 is the sectional view illustrating organic light-emitting display device 300 according to embodiments of the present invention.
With reference to Fig. 3, organic light-emitting display device 300 includes housing 311, framework 313, compressed band buffer 315, first substrate
317, second substrate 319, sealing unit (not shown), polarization plates 323, resin 325, transparency protected window 327, adhesive member 329,
Driver IC 331 and buffer component 333.
In detail, housing 311 constitutes the outward appearance of organic light-emitting display device 300, and the framework 313 accommodating panel assembly is arranged
In housing 311.
Panel assembly is contained in framework 313 and includes first substrate 317, second substrate 319 and combines first substrate 317
Sealing unit (not shown) with second substrate 319.In detail, including the display unit (not shown) shape of Organic Light Emitting Diode
Become on first substrate 317.First substrate 317 can be by including SiO2Transparent glass material as major constituent is formed.But, the
One substrate 317 is not limited to this, and first substrate 317 can change into being formed by transparent plastic material.Second substrate 319 formation attached thereto
There is the first substrate 317 of display unit (not shown).Second substrate 319 not only can be formed by glass material, and can be by such as
Any materials in the various plastic materials of acrylic is formed, or further, can be formed by metal basal board.First substrate
317 and second substrate 319 be attached to each other by sealing unit (not shown).Sealing unit (not shown) can be such as to seal glass
The random conventional material of glass material.
Polarization plates 323, resin 325 and transparency protected window 327 are set in sequence on second substrate 319, and adhesive member 329 encloses
Formed around the border of transparency protected window 327, thus transparency protected window 327 is adhered to housing 311.In this case, liner
Binding agent is used as adhesive member 329 so that adhesive member 329 also acts as predetermined buffer component.
Compressed band buffer 315 is arranged between housing 311 and first substrate 317, thus first substrate 317 is adhered to shell
Body 311, reduces simultaneously and is applied to first substrate 317, second substrate 319 and the impact of sealing unit (not shown).
For driving the driver IC 331 of display unit (not shown) to be arranged on a part for first substrate 317, and
And buffer component 333 is arranged between first substrate 317 and transparency protected window 327, to cover driver IC 331.This will under
Literary composition describes in further detail.
As it has been described above, in order to driver IC 331 being arranged on first substrate 317 or second substrate 319, first substrate
317 and second substrate 319 must there are differences in terms of length.Due to this difference of length, so on driver IC 331
There is empty space in side, and when applying impact from outside, due to the space of this sky, so organic light-emitting display device 300
It is likely to be broken.
For solving this problem, organic light-emitting display device 300 also includes between first substrate 317 and transparency protected window 327
Buffer component 333, to cover driver IC 331.Buffer component 333 can be by mat binder, buffer strip or other materials various
Any materials in material is formed.
Table 1 below illustrates when organic light-emitting display device 300 include first substrate 317 and transparency protected window 327 it
Between buffer component 333 time and do not include between first substrate 317 and transparency protected window 327 when organic light-emitting display device 300
Buffer component 333 time, the result of shock-testing that organic light-emitting display device 300 is performed.By falling from five positions
The weight of 500g also checks whether organic light-emitting display device 300 is destroyed and performs shock-testing.In testing, weight from
The height of 4cm, 7cm, 10cm, 12cm and 15cm falls.When organic light-emitting display device is destroyed by the weight of initial 4cm height
Time, provide 0 point；When organic light-emitting display device is destroyed by the weight of initial 7cm height, provide 4 points；Work as organic light emitting display
When device is destroyed by the weight of initial 10cm height, provide 7 points；When organic light-emitting display device is by the weight of initial 12cm height
During destruction, provide 10 points；When organic light-emitting display device is destroyed by the weight of initial 15cm height, provide 12 points；When organic
When luminous display unit is not destroyed by the weight of initial 15cm height, provide 15 points.
[table 1]
[result]
As shown in table 1, when not including buffer component, provide 3.1 points, and when including buffer component, provide 4.2 points.
Therefore, when including buffer component, the impact resistance of organic light-emitting display device 300 improves general 30% or more.
If buffer component 333 is arranged between first substrate 317 and transparency protected window 327, then can improve organic light emission
The impact resistance of display device 300.Additionally, by including by having the buffer component 333 that formed of sticking material, the can be strengthened
Bonding force between one substrate 317 and transparency protected window 327.
Fig. 4 is the sectional view of the organic light-emitting display device 300 ' illustrating the comparative examples according to the present invention.With reference to Fig. 4,
Organic light-emitting display device 300 ' includes housing 311, framework 313, compressed band buffer 315, first substrate 317, second substrate
319, sealing unit (not shown), polarization plates 323, resin 325, transparency protected window 327, adhesive member 329, driver IC 331
With buffer component 333.Organic light-emitting display device 300 ' in Fig. 4 different from the organic light-emitting display device 300 in Fig. 3
In, predetermined gap g is formed between housing 311 and framework 313 and between housing 311 and compressed band buffer 315.
In detail, in the organic light-emitting display device 100 that figure 1 illustrates, when applying impact from outside, transparent guarantor
Protect window 127 to bend, thus absorb part impact, and remaining impact is passed to display unit (not shown).But, at figure
In organic light-emitting display device 200 shown in 2, external impact is fully transmitted to display unit (not shown) and is not delayed
Punching, therefore the impact resistance of organic light-emitting display device 200 is relatively low.
The feature of the organic light-emitting display device 100 shown in Fig. 1 is applied to organic light-emitting display device 300 '.To having
Machine luminous display unit 300 ' performs the experiment of absorbing external impact, and wherein, organic light-emitting display device 300 ' is included in housing
Predetermined gap g between 311 and framework 313 and between housing 311 and compressed band buffer 315.
Table 2 below shows and formed between housing 311 and framework 313 and between housing 311 and compressed band buffer 315
Predetermined gap is not formed during predetermined gap g and between housing 311 and framework 313 and between housing 311 and compressed band buffer 315
Result during g, to the shock-testing that organic light-emitting display device 300 performs.
[table 2]
| Test result | Do not include gap | Including gap |
| Resin thickness (mm) | 0.2 | 0.2 |
| PET | - | - |
| Window thickness (mm) | 0.7 (tempering) | 0.7 (tempering) |
| Panel size | 3.5″ | 3.5″ |
| Plate thickness | 0.5/0.4 | 0.5/0.4 |
| Shaped as frame shape | Through | Through |
[result]
As shown in table 2, when time very close to each other, provide 3.1 points, but in the case of there is gap, provide 0 point.Therefore, with
Anticipated is contrary, and when time very close to each other, impact resistance is excellent.This is because, when housing 311 or framework 313 bend, housing
Gap g between 311 and framework 313 does not allow housing 311 or framework 313 to absorb part impact.
Therefore, in terms of improving impact resistance advantageously, by framework 313 is closely adhered to housing 311, and pass through
Compressed band buffer 315 is closely adhered to housing 311, between housing 311 and framework 313 and housing 311 and compressed band buffer
Gap it is formed without between 315.Furthermore it is advantageous that framework 313 and first substrate 317 are the most closely adhering to each other to improve anti-
Impact.
According to the present invention, improve organic light-emitting display device and include the electronic installation of this organic light-emitting display device
Impact resistance.
Although specifically illustrated and described the present invention with reference to exemplary embodiment of the present, but ordinary skill
Personnel are it should be understood that in the case of without departing from the spirit and scope of the present invention being defined by the claims, can make at this
Various changes in form and details.
Claims (7)
1. an electronic installation, described electronic installation includes:
Organic light-emitting display device；
Housing, is used for accommodating described organic light-emitting display device；And
Transparency protected window, before being arranged on housing,
Wherein, organic light-emitting display device includes:
Framework；
First substrate, is arranged on framework, and display unit is formed on the surface of first substrate；
Second substrate, is set in the face of first substrate；
Driver IC, is arranged on the first substrate；
Buffer component, is formed as covering and contacting driver IC；
Compressed band buffer, is set directly between housing and first substrate and there is not other between housing and first substrate
Layer, wherein, buffer component is arranged between first substrate and transparency protected window and connects with first substrate and transparency protected window respectively
Touch.
Electronic installation the most according to claim 1, wherein, select from first substrate and second substrate is provided with
The substrate of driver IC is longer than the substrate being not provided with driver IC on it, and driver IC is arranged on
On the extension of the substrate being provided with driver IC.
Electronic installation the most according to claim 1, wherein, framework and first substrate tight adhesion each other.
Electronic installation the most according to claim 1, wherein, housing and framework tight adhesion each other.
Electronic installation the most according to claim 1, wherein, housing and compressed band buffer tight adhesion each other.
Electronic installation the most according to claim 2, wherein, housing and framework tight adhesion each other.
Electronic installation the most according to claim 2, wherein, housing and compressed band buffer tight adhesion each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0103670 | 2010-10-22 | ||
| KR1020100103670A KR101812065B1 (en) | 2010-10-22 | 2010-10-22 | Organinc light emitting display device and electronic equipment having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102456845A CN102456845A (en) | 2012-05-16 |
| CN102456845B true CN102456845B (en) | 2016-09-21 |
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ID=44903105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110328764.XA Active CN102456845B (en) | 2010-10-22 | 2011-10-21 | Organic light-emitting display device and include its electronic installation |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8789984B2 (en) |
| EP (1) | EP2445030A1 (en) |
| JP (1) | JP5837382B2 (en) |
| KR (1) | KR101812065B1 (en) |
| CN (1) | CN102456845B (en) |
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| KR101993332B1 (en) * | 2012-10-04 | 2019-06-27 | 삼성디스플레이 주식회사 | Flat panel display device |
| KR101940186B1 (en) * | 2012-10-29 | 2019-01-21 | 삼성디스플레이 주식회사 | Organic light emitting diode display |
| KR101989056B1 (en) | 2013-01-03 | 2019-06-14 | 삼성디스플레이 주식회사 | Organic light emitting display apparatus |
| US9550335B2 (en) * | 2013-02-25 | 2017-01-24 | Google Technology Holdings LLC | Electronic device having a display and method of manufacture |
| CN203983341U (en) | 2014-07-31 | 2014-12-03 | 京东方科技集团股份有限公司 | Electroluminescent device and display unit |
| US9397077B2 (en) * | 2014-12-11 | 2016-07-19 | Panasonic Intellectual Property Management Co., Ltd. | Display device having film substrate |
| KR102321611B1 (en) | 2015-03-10 | 2021-11-08 | 삼성디스플레이 주식회사 | Display device and portable terminal |
| WO2017141285A1 (en) * | 2016-02-16 | 2017-08-24 | ソニー株式会社 | Electronic device, method for manufacturing electronic device and substrate laminate |
| CN109121439B (en) * | 2016-04-01 | 2021-10-08 | 株式会社半导体能源研究所 | Light-emitting element, light-emitting device, electronic device, and lighting device |
| KR102586849B1 (en) | 2016-05-30 | 2023-10-12 | 엘지디스플레이 주식회사 | Display device |
| DE102016009645B4 (en) * | 2016-08-08 | 2019-08-14 | e.solutions GmbH | Display device and method for producing the same |
| CN106251789A (en) * | 2016-09-22 | 2016-12-21 | 上海传英信息技术有限公司 | A kind of screen construction and mobile terminal |
| CN107358871B (en) * | 2017-08-25 | 2020-12-11 | 京东方科技集团股份有限公司 | Display device with a light-shielding layer |
| CN110010659A (en) * | 2018-01-04 | 2019-07-12 | 三星显示有限公司 | Show equipment |
| KR102560948B1 (en) * | 2018-01-04 | 2023-08-01 | 삼성디스플레이 주식회사 | Display appratus |
| KR102573704B1 (en) * | 2018-09-06 | 2023-09-04 | 삼성디스플레이 주식회사 | Display apparatus comprising display unit including an indented shape |
| KR20200113055A (en) | 2019-03-20 | 2020-10-06 | 삼성디스플레이 주식회사 | Display Device |
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2011
- 2011-09-29 US US13/248,753 patent/US8789984B2/en active Active
- 2011-09-29 JP JP2011214002A patent/JP5837382B2/en active Active
- 2011-10-21 EP EP11186256A patent/EP2445030A1/en not_active Withdrawn
- 2011-10-21 CN CN201110328764.XA patent/CN102456845B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2445030A1 (en) | 2012-04-25 |
| KR20120042146A (en) | 2012-05-03 |
| CN102456845A (en) | 2012-05-16 |
| US8789984B2 (en) | 2014-07-29 |
| US20120098426A1 (en) | 2012-04-26 |
| KR101812065B1 (en) | 2017-12-28 |
| JP5837382B2 (en) | 2015-12-24 |
| JP2012093738A (en) | 2012-05-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG MOBILE DISPLAY CO., LTD. Effective date: 20121204 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121204 Address after: South Korea Gyeonggi Do Yongin Applicant after: Samsung Display Co., Ltd. Address before: South Korea Gyeonggi Do Yongin Applicant before: Samsung Mobile Display Co., Ltd. |
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